NEXT MEETING: Wednesday, April 16, 2025, 6:00 PM at 2045 Memory Lane in Silver City, New Mexico. The GCAS's next monthly IN-PERSON ONLY meeting features speaker geoarchaeologist Dave Rachal PhD of Tierra Vieja Consulting in Las Cruces NM. Doors open at 6:00 PM with light refreshments on offer. Socializing and a brief-to-nonexistent business meeting will immediately precede Dave's presentation of: How Did The Seeds Get There? Ruppia cirrhosa Ecology, Depositional Context and Accurate Radiocarbon Dating at White Sands: "The stratigraphic and geomorphic contexts, and ultimately the chronometric determinations, at White Sands Locality-2 (WHSA-2) are topics of controversy that stem from conflicting interpretations of the processes that deposited the Ruppia cirrhosa (Ruppia) seeds within the paleo-Lake Otero footprint site....[O]ur interpretation depicts the shoreline as an unstable, dynamic lake margin to which Ruppia seeds...were transported from deep-water, offshore growth beds during storm events and deposited on the lake shore in seed balls. These unusual aggregates, known to mix seeds of wide-ranging ages, were gradually broken apart by several cycles of wave action and erosion and redeposited in layers....[W]e will delve into both the ecology and the depositional context of Ruppia and discuss why the Ruppia seeds at paleo-Lake Otero are problematic materials for radiocarbon dating." Check out Dave's and Tierra Vieja Consulting's YouTube videos (links are on our Events page) and bring your questions for him!

NEXT FIELD TRIP: Sunday, April 6, through Tuesday, April 8, 2025: Lyman Lake State Park/Springerville/Casa Malpais AZ. Sunday-Monday, explore Lyman Lake's petroglyphs & archaeological site on your own or with a group. On Tuesday 4/8, we have guided tour of Casa Malpais archaeological site. Reservations are required for ONLY the guided tour to the Casa Malpais site but we must give them a final tally no later than March 23, 2025, so please let trip co-leader Torie Grass ([email protected]) or Eduardo Argüello ([email protected]) know to put you on the list. More details available in newsletter and on Events page of this website, and in the blog posts below. As usual for any GCAS field trip, wear sturdy shoes and pack sun protection & water. See you there!

GCAS Field Trip Part IV: Marcia Corl, Today's Featured Photographer
GCAS Field Trip to Paquimé, Part VI

GCAS Field Trip to Paquimé, Part V

8 - Mata Ortiz 1930s-era churchTo read the complete narrative of the GCAS field trip of May 2-4, 2018, see Part I, Part II, Part III, and Part IV.

The second half of Day 2, May 3, 2018, comprised a tour of the area's historic structures, including a charming 1930s-era church in Juan Mata Ortiz.

In stark contrast to the small, well-tended church and grounds in Mata Ortiz, were 10 - Terrazas's Hacienda San Diegothe ruins of Hacienda San Diego, one of the mansions belonging to the early 20th-Century cattle baron Luis Terrazas. During the First Gilded Age, Luis Terrazas amassed a combined total of 7 million acres of ranch land, over 500,000 head of cattle, and a few hundred thousand head of horses, mules, and sheep. He was reputed at the time to be the largest individual land owner in the Americas. During the Mexican Revolution of 1916, Pancho Villa used his position as provisional governor to confiscate 11 - Hacienda San Diego portalTerrazas's land and slaughter all the livestock to feed the revolutionary army.

(This is an avocational archaeological website, so I will not personally comment upon the politics of the Terrazas-Villa era. I will leave it up to discerning websurfers to determine for themselves whether or not certain remarks are factually attributable to Luis Terrazas, such as, "Chihuahua comprises the largest part of my ranch," and "I am not from Chihuahua. Chihuahua is mine.")

The ruins of Hacienda San Diego date from 1902-1904 and comprise the mansion, a granary/warehouse building, stables, and workers' quarters. Efforts are underway to preserve and rehabilitate the structures with a view toward opening them for events and lodging in the distant future. The stables and the workers' quarters were built with adobe brick above an interesting foundation of field stones chinked with smaller flat stones. Similar chinking-and-stone methods of construction were used in the thresholds and lintels of the workers' quarters' doorways.

22 - Hacienda San Diego stables  Josh shows chinking method 24 - Hacienda San Diego workers' quarters' door 14 - LtoR = GB  Luis  Barbara  Julia Josh Reeves  Kevin 25 - Hacienda San Diego workers' quarters - canales y vigas 19 - Hacienda San Diego stables  rooftop prickly pear 20 - Hacienda San Diego stables still house horses and cattle 23 - Hacienda San Diego workers' quarters 18 - Hacienda San Diego stables  door lock

 

 

 

 

...to be continued in Part VI...

/s/ webmaster

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